[  679.537541][T22083] ip (22083) used greatest stack depth: 24176 bytes left
[  681.272710][T22104] gre: GRE over IPv4 demultiplexor driver
[  681.360837][T22104] ip6_gre: GRE over IPv6 tunneling driver
[  681.634205][T22110] ip (22110) used greatest stack depth: 23816 bytes left